Allow - and a few other things in HTML tag names

2 files changed, 2 insertions, 2 deletions

diff --git a/main.c b/main.c
index 1cbbf67..3c2cd98 100644
--- a/main.c
+++ b/main.c
@@ -1,7 +1,6 @@
 /*
 TODO:
 - syntax highlighting for Python t-strings
-- fix <foo-bar> html highlighting
 - don't autocomplete when tab is pressed if there is text selected
 - highlight <https://example.org> correctly in Markdown
 - highlight (https://example.org) correctly in Markdown (exactly which characters are allowed in links?)
diff --git a/syntax.c b/syntax.c
index 9c6f24d..07e0dfb 100644
--- a/syntax.c
+++ b/syntax.c
@@ -1215,7 +1215,8 @@ static void syntax_highlight_markdown(SyntaxState *state, const char32_t *line,
 }
 
 static bool is_html_tag_char(char32_t c) {
-	return c == '<' || c == '/' || c == '!' || c == ':' || is32_alnum(c);
+	return c == '<' || c == '/' || c == '!' || c == ':' || c == '-' || c == '.' || c == '_' || c >= 0x80
+		|| (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9');
 }
 
 // highlights XML and HTML